package com.tankwar;
import java.awt.Color;
import java.awt.Graphics;
import java.awt.Image;
import java.awt.Rectangle;
import java.awt.Toolkit;
import java.util.HashMap;
import java.util.List;
import java.util.Map;




public class Missile {
	public static final int XSPEED = 10;
	public static final int YSPEED = 10;
	
	public static final int WIDTH = 10;
	public static final int HEIGHT = 10;
	
	int x,y;
	Direction dir;
	
	private boolean good;
	private boolean live = true;
	
	private TankClient tc;
	
	private static Toolkit tk = Toolkit.getDefaultToolkit();
	private static Image[] missileImages = null;
	private static Map<String, Image> imgs = new HashMap<String, Image>();
	
	static {
		missileImages = new Image[]{
		tk.getImage(Explode.class.getClassLoader().getResource("images/missileL.gif")),
		tk.getImage(Explode.class.getClassLoader().getResource("images/missileLU.gif")),
		tk.getImage(Explode.class.getClassLoader().getResource("images/missileU.gif")),
		tk.getImage(Explode.class.getClassLoader().getResource("images/missileRU.gif")),
		tk.getImage(Explode.class.getClassLoader().getResource("images/missileR.gif")),
		tk.getImage(Explode.class.getClassLoader().getResource("images/missileRD.gif")),
		tk.getImage(Explode.class.getClassLoader().getResource("images/missileD.gif")),
		tk.getImage(Explode.class.getClassLoader().getResource("images/missileLD.gif")),
	};
		
		imgs.put("L",missileImages[0]);
		imgs.put("LU",missileImages[1]);
		imgs.put("U",missileImages[2]);
		imgs.put("RU",missileImages[3]);
		imgs.put("R",missileImages[4]);
		imgs.put("RD",missileImages[5]);
		imgs.put("D",missileImages[6]);
		imgs.put("LD",missileImages[7]);
}
	
	
	public Missile(int x, int y, Direction dir) {
		super();
		this.x = x;
		this.y = y;
		this.dir = dir;
	}
	
	public Missile(int x,int y, boolean good, Direction dir,TankClient tc) {
		this( x, y, dir);
		this.good = good;
		this.tc = tc;
		
	}
	
	public void draw(Graphics g){
		if(!live) {
			tc.missiles.remove(this);
			return;
		}
		
		switch(dir) {
	case L:
		g.drawImage(imgs.get("L"), x, y, null);
		break;
	case LU:
		g.drawImage(imgs.get("LU"), x, y, null);
		break;
	case U:
		g.drawImage(imgs.get("U"), x, y, null);		
		break;
	case RU:
		g.drawImage(imgs.get("RU"), x, y, null);		
		break;
	case R:
		g.drawImage(imgs.get("R"), x, y, null);		
		break;
	case RD:
		g.drawImage(imgs.get("RD"), x, y, null);		
		break;
	case D:
		g.drawImage(imgs.get("D"), x, y, null);		
		break;
	case LD:
		g.drawImage(imgs.get("LD"), x, y, null);
		break;
	}
		
		move();
	}

	private void move() {
		
		
		switch(dir){
		case L:
			x -= XSPEED;
			break;
		case LU:
			x -=XSPEED;
			y -=YSPEED;
			break;
		case U:
			y -=YSPEED;
			break;
		case RU:
			x +=XSPEED;
			y -=YSPEED;
			break;
		case R:
			x +=XSPEED;
			break;
		case RD:
			x +=XSPEED;
			y +=YSPEED;
			break;
		case D:
			y +=YSPEED;
			break;
		case LD:
			x -=XSPEED;
			y +=YSPEED;
			break;
		}
		
		if( x < 0 || y < 0 || x > TankClient.GAME_WIDTH || y > TankClient.GAME_HEIGHT) {
			live = false;
		}
	}	
	
	public boolean isLive() {
		return live;
	}

	public Rectangle getRect(){
		return new Rectangle(x,y,WIDTH,HEIGHT); 
	}
	
	public boolean hitTank(Tank t){
		if(this.live && this.getRect().intersects(t.getRect()) && t.isLive() && this.good != t.isGood()) {
			if(t.isGood()) {
				t.setLife(t.getLife()-20);
				if(t.getLife() <= 0)  
					t.setLive(false);
			}else{
				t.setLive(false);
			}
			
			this.live =false;
			Explode e = new Explode(x, y, tc);
			tc.explodes.add(e);
			return true;
		}
		return false;
	}
	
	public boolean hitTanks(List<Tank> tanks) {
		for(int i = 0;i<tanks.size();i++) {
			 if(hitTank(tanks.get(i))) {
				 return true;
			 }
		}
		return false;
	}
	
	public boolean hitWall(Wall w) {
		if(this.live && this.getRect().intersects(w.getRect())) {
			this.live = false;
			return true;
		}
		return false;
	}
}
